tangle --version (return code: 0)
TANGLE 4.5 (TeX Live 2015/Debian)
kpathsea version 6.2.1
There is NO warranty. Redistribution of this software is
covered by the terms of both the TANGLE copyright and
the Lesser GNU General Public License.
For more information about these matters, see the file
named COPYING and the TANGLE source.
Primary author of TANGLE: D.E. Knuth.
tangle --help (return code: 0)
Usage: tangle [OPTION]... WEBFILE[.web] [CHANGEFILE[.ch]]
Tangle WEBFILE with CHANGEFILE into a Pascal program.
Default CHANGEFILE is /dev/null;
Pascal output goes to the basename of WEBFILE extended with `.p',
and a string pool file, if necessary, to the same extended with `.pool'.
-length=NUMBER the first NUMBER characters of an identifier have to be
unique (default 32)
-loose honor the upper/lower/mixedcase and underline options when
comparing identifiers (default)
-lowercase make all identifiers lowercase
-mixedcase retain the case of identifiers unchanged (default)
-strict always smash case and remove underlines when comparing
identifiers
-underline do not remove underline characters from indentifiers
-uppercase make all identifiers uppercase
-help display this help and exit
-version output version information and exit
Email bug reports to tex-k@tug.org.